Mechanical movement.



.l. T. S. BROWN, In. & L. L. MILES.

MECHANICAL MOVEMENT.

APPLlCATlON mm DEC. 24. 1911.

Patented May 7, 1918.

2 SHEETS-SHEET I.

-3 l i W INVENTORS AOR J. T. S. BROWN, JR. & L. L. MILES. MECHANICAL MOVEMENT.

APPLICATION man 05024. 1912.

2 SHEETS-SHEET 2.

TOR/IIEY Patented May 7,1918.

35 any length maybe obt'ainedwithout increas 50 and modifications may be resorted to as entrain sa a r learner raisins.

JOHN T. s. snowman, or rnosrncr, AND LEON L. MILES, or LOUISVILLE, KENTUCKY.

1 MECHANICAL MOVEMENT.

manner.

To all whom it may concern:

. Be it known that we, J OHN T. S. BROWN, Jr., and Leon L. MILES, citizens of the United States, and residents, respectively, of Prospect and of the city of Louisville, both in the county of Jefl'erson and State of Kentucky, have invented a new and useful Mechanical Movement, of which the following is a specification.

This invention relates to' mechanical movements of that class in which a rotary driving member transmits rectilinear movement to a driven member, and is designed .to be used in connection with a deep, well pump, although it may be foundof service in other branches of service. n v I vDeep well pumps are operated with along slow stroke, thepump rod being connected by means of a pitman rod to a crank shaft, or "to a wrist pin on a pulley which are driven by any suitable means. In such cases the length of the crank, or. the distance of the pin from the center of the wheel is half that of the pump stroke. As the angle of transmission varies continuously this method occasions considerable loss of power.

An object of thisinvention is to provide means of the character described wherein the angle of transmission between the driving and driven members will be constant and in which the point of contact between the two members will be a minimum distance from the center of therotary member.

Another object of the invention is to provide a device by means of which strokes of ing the amount of power supplied, and in which the rectilinear, movement will be steady and positive at all times.

A further object is to provide a device as 3 characterized, which w ll be econom cal n construction, durable 1n" serv1ce and efficient .in' operation. I

With the foregoing andother objects in view, the invention consists of the novel construction and arrangement of parts illustrated in the accompanying" drawings, which form a part of this specification, wherein is .set forth an embodiment of the invention,

but it is to be understood that such changes come within the scope of the claims appended hereunto.

In the accompanying drawings, comprising two sheets, wherein similar reference characters deslgnate l ke parts 1n the sevbraced. A bridge-plate -22 "Specification of Letters Patent.

Patented May W, l l

i Application filed December 24, 1917. Serial No. 208,633.

I away to give a clearerview: Fig. 8, a rear elevation of the upper portion, showing the position at the completion of an up stroke: Fig. 4, a central transverse section through the transmission: Fig. 5, a plan view, of the bridge plate: Fig. 6, a perspective view of the dis In developing our invention we employ vertical standards, or guide rods 10 and ll erected on a base plate -l2, suitably braced by struts or props -13, 1l, and connected at the top by a cross piece l5-. Cross heads -16, 17- slidably positioned on the guide rods are connected by a plate -l8- of a length corresponding tothe stroke to be obtained. A pump rod 19- may be connected to and extended from the lower cross-head. Secured in the plate and extending laterally therefrom are a plurality of pins -20- spaced apart in vertical alinement, The outer ends of these pins are inserted in a strip -2lby which they are supported and whereby they are secured to the guide rods at a suitable point intermediate their'length on what may be termed the rear side, is provided centrally with a circular opening 23--. A disk 24-, slightly larger in diameter than the opening 23, is positioned concentrically thereover and is retained in that position in such a manner as to be freely rotatable about its axis. The retaining means may be any suitable to the circumstances. As illustrated, said means comprises an annular ring 25 which has an exterior flange -26 adapted to lie on the bridge-plate, to which it is secured by screws, and an internal flange 27 adapted to overlie the outer surface of the disk, lying in a rabbet 28 therein.

The disk is provided with a central bore 29 and with another bore 30 at a spaced distance therefrom. A stub shaft --31 secured in the central bore, of the disk and extending outward therefrom,

bears a driving pinion -32- to which suitable means, such as a pulley 33 is se cured, by means of whlch, movement may be imparted from a suitable source of power.

A second, or intermediate shaft 3l rotatably mounted in the bore 30 and extended on both sides of the disk, carries on its outer end an intermediate pinion which meshes with the driving pinion 32. On the inner end of the intermediate shaft is a sprocket wheel 36, which is engaged with the pins 20 on the plate 18. As the sprocketwheel is rotated it causes the plate and its associated parts, the cross heads and pump rod, to move longitudinally, in alternate directions, as the sprocket wheel engages with the respective sides of the pins. The pitch line of the sprocket wheel coincides with the axial line of the disk. The axis of the terminal pins, when the plate 18 is at the limit of its movement in either direction, coincides with the axis of the disk. The arrangement is such that when the sprocket engages with a terminal pin it will cause the disk, which at other times is stationary, to turn through a half revolution carrying the sprocket with it so that it en- 'gages'with the opposite side of the row of pins. It will be observed that the distance between the center of the shaft 34 and the point where the power is applied 2'. e. the

centers of the pins, does not vary as is the case with a'pitman connection, consequently power is transmltted with greater efliciency and there IS a considerable saving in power by the use'of our improved device.

It is thought that the construction and operatlon of our invent on may be readily understood from the foregomg description,

and we claim:

1. A mechanical movement comprising a reclprocable drlven element, a rotatable disk mounted in a plane parallel therewith and adapted to be advanced intermittently in a continuous direction, a driving pinion mounted co-axially of sa1d disk, and an intermediate member having operative connection with said pinion and said element.

2. A mechanical movement comprising a reciprocable driven member, a rotatable element, a driving member mounted co-a'xially of androtatable independently of said element, an intermediate member rotatably. mounted on said element eccentric thereof,

said intermediate member being operatively engaged with said driving and driven members, and having means for intermittently turning the rotatable element in a continuous direction to shift the position of said intermediate member relative to the member with which it is engaged.

3. A mechanical movement comprising a reciprocable driven member; a rotatable element, a driving member mounted co-axially .of said element, an intermediate member rotatably mounted in said element and movable therewith, said intermediate member operatively engaged with both said driving and driven members.

shaft extended through the member, a

4. A mechanical movement comprising a reciprocable driven member, a rotatable element, a driving member mounted co-axially of said element and rotatable independently thereof, an intermediate member carried by said element, said intermediate member being operatively engaged with the driving and driven members, and having means for changing the point of engagement with the driven member.

5. In a device as characterized, a reciprocable driven member, a stationary member, a disk rotatable on said stationary member, a rotatable driving member mounted coaxially of said disk, a shaft mounted in said disk and extended on each side thereof, a pinion on one end of said shaft engaged with said driving member, and means on the other end of the shaft engaged with the driven member.

6. In a device as characterized, a plate having an openin therethrough, a rotatable member positioned over said opening, a pinion mounted co-axially of said member and rotatable independently thereof, a rotatable 1nion' on each end of said shaft one of w iich is engaged with the first mentioned pinion.

7. A plate having an opening therethrough, a rotatable disk peripherally mounted over said opening, a driving pinion mounted co-axially of said disk and rotatable independently thereof, a shaft rotatably mounted in said disk and extended on each side thereof and a pinion thereon meshing with the driving pinion.

8. A plate having an opening therethrough, an element having rectilinear movement in a p'lane'parallel with face of said plate 011 one side thereof, a rotatable member mounted on the other side of the plate covering said opening, a pinion mounted coaxially of said member and rotatable independently thereof, a shaft carried b said member and extended on each side tiercof and means on each end of said shaft engaged respectively with said pinion and said element. f l

. 9. In a movement as characterized, a late having an opening, a peripherally hel rotatable disk covering said opening, a pinion mounted co-axially, of said disk and rotatable independently thereof, a shaft carried by said disk and extended on both sides thereof, a plate adapted to be reciprocated in a plane transverse to and intercepting the axis of the disk, a plurality of engaging points on said plate, and means secured on the respective ends of said shaft and engaged respectively with said pinion and said points.

10. A base, guide rods erected thereon, spaced cross heads slidably mounted thereon, a plate secured to said cross heads, a plurality of longitudinally alined spaced pins extended laterally from said plate, a bridge plate having a central opening secured to said guide rods, intermediate their length, a disk positioned on said bridge plate over said opening and rotatably held thereon by peripherally engaging means, a pinion mounted co-axially of said disk, means for rotating said'pinion, a shaft can ried by the disk and extended from both sides thereof, a pinion on said shaftmeshed 10 with the first mentioned pinion, and a sprocket Wheel thereon in operative engagement with said pins.

JOHN T. S. BRO" JR LEON L. MILES.

flames of thia patent may be obtained for five cents each, by addresaina the issioner otmtentn, ashinmon, JD. 6." 

